//
//  WBHomeViewController.swift
//  gc微博
//
//  Created by 高聪 on 16/11/4.
//  Copyright © 2016年 高聪. All rights reserved.
//

import UIKit
//定义全局常量，尽量使用 private 修饰，否则到处都可以访问
private let cellId = "cellId"

class WBHomeViewController: WBBassViewController {

    /// 列表视图模型
    fileprivate lazy var listViewModel = WBStatusListViewModel()
    
    /// 加载数据
    override func loadData() {
      print("最后一跳 \(self.listViewModel.statusList.last?.text)")
    listViewModel.loadStatus(pullup: isPullup) { (isSuccess,shouldRefresh) in
        
        print("加载数据结束")
        
        // 结束刷新控件
        self.refreshControl?.endRefreshing()
        // 恢复上拉刷新标记
        self.isPullup = false
        
        //刷新表格
        if shouldRefresh{
            self.tableView?.reloadData()

        }
        
        
        }
    
    }
    

    /// 显示好友
    @objc fileprivate func showFriends(){
        print(#function)
        let demoVC = WBDemoViewController()
        
//        demoVC.hidesBottomBarWhenPushed = true
        
        // push 的动作是 nav 做的
        navigationController?.pushViewController(demoVC, animated: true)
    }

}

// MARK: - 表格数据源方法，具体的数据源方法实现，不需要 super
extension WBHomeViewController {
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return listViewModel.statusList.count
    }
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        // 1. 取cell
        let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath)
        
        // 2. 设置cell
        cell.textLabel?.text = listViewModel.statusList[indexPath.row].text
        
        // 3. 返回cell
        return cell
    }
    
}

// MARK: - 设置界面 
extension WBHomeViewController{
    
    /// 重写父类的方法
    
    
    override func setupTableView() {
        
        super.setupTableView()
        
        // 设置导航栏按钮
        navItem.leftBarButtonItem = UIBarButtonItem(title: "好友", target: self, action: #selector(showFriends))
        
        // 注册原型 cell
        tableView?.register(UITableViewCell.self, forCellReuseIdentifier: cellId)
        
        setupNavTitle()
    }
    /// 设置导航栏标题
    fileprivate func setupNavTitle() {
        
        let title = WBNetworkManager.shared.userAccount.screen_name
        
        let button = WBTitleButton(title: title)
        
        navItem.titleView = button
        
        button.addTarget(self, action: #selector(clickTitleButton), for: .touchUpInside)
    }
    
    @objc func clickTitleButton(btn:UIButton){
        // 选中状态
        btn.isSelected = !btn.isSelected
    }
    
}
